Home / 57,785,867.12-79,744,477.44-31,679,824.45

Finding the Fourth Proportional to 57,785,867.12, 79,744,477.44 and 31,679,824.45

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Solution

The fourth proportional to 57,785,867.12, 79,744,477.44 and 31,679,824.45 is: 43,718,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,785,867.12 : 79,744,477.44 = 31,679,824.45 : x
  2. Step 2: Convert to fraction form
    57,785,867.12/79,744,477.44 = 31,679,824.45/x
  3. Step 3: Cross multiply
    57,785,867.12x = 79,744,477.44 × 31,679,824.45
  4. Step 4: Simplify right side
    57,785,867.12x = 2,526,291,046,046,945.50
  5. Step 5: Solve for x
    x = 2,526,291,046,046,945.50/57,785,867.12
  6. Step 6: Final answer
    x = 43,718,147.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.